<template>
  <div>
    <!-- 商品列表组件 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="10">
          <el-input
            placeholder="请输入内容"
            class="input-with-select"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
            width="200px"
          >
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="10">
          <el-button type="primary" @click="addGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 渲染列表表格 -->
      <el-table :data="goodsList" border style="width: 100%">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称" width="550"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格" width="80"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="160">
          <template v-slot="scope">{{scope.row.add_time|dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="delGoods(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      // 商品列表
      goodsList: [],
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
      console.log(res)
    },
    // 一页显示多少条数据
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 当前页码值
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除操作
    async delGoods(goodsId) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('您已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${goodsId}`)
      if (res.meta.status !== 200) {
        return this.$message.error(res.meta.msg)
      }
      this.$message.success('删除成功')
      this.getGoodsList()
      console.log(res)
    },
    // 添加商品，编程式导航
    addGoods() {
      this.$router.push('/goods/add')
    }
  }
}
</script>
<style lang="less" scoped>
</style>
